ua_sess->handle = -1;
ua_sess->channels = lttng_ht_new(0, LTTNG_HT_TYPE_STRING);
- pthread_mutex_init(&ua_sess->lock, NULL);
-
- /* Set default metadata channel attribute. */
- ua_sess->metadata_attr.overwrite = DEFAULT_CHANNEL_OVERWRITE;
- ua_sess->metadata_attr.subbuf_size = default_get_metadata_subbuf_size();
- ua_sess->metadata_attr.num_subbuf = DEFAULT_METADATA_SUBBUF_NUM;
- ua_sess->metadata_attr.switch_timer_interval = DEFAULT_METADATA_SWITCH_TIMER;
- ua_sess->metadata_attr.read_timer_interval = DEFAULT_METADATA_READ_TIMER;
- ua_sess->metadata_attr.output = LTTNG_UST_MMAP;
ua_sess->metadata_attr.type = LTTNG_UST_CHAN_METADATA;
+ pthread_mutex_init(&ua_sess->lock, NULL);
return ua_sess;
}
lttng_ht_node_init_ulong(&ua_ctx->node,
(unsigned long) ua_ctx->ctx.ctx);
- lttng_ht_add_unique_ulong(ua_chan->ctx, &ua_ctx->node);
+ lttng_ht_add_ulong(ua_chan->ctx, &ua_ctx->node);
cds_list_add_tail(&ua_ctx->list, &ua_chan->ctx_list);
}
ua_sess->consumer = usess->consumer;
ua_sess->output_traces = usess->output_traces;
ua_sess->live_timer_interval = usess->live_timer_interval;
+ copy_channel_attr_to_ustctl(&ua_sess->metadata_attr,
+ &usess->metadata_attr);
switch (ua_sess->buffer_type) {
case LTTNG_BUFFER_PER_PID:
}
lttng_ht_node_init_ulong(&ua_ctx->node, (unsigned long) ua_ctx->ctx.ctx);
- lttng_ht_add_unique_ulong(ua_chan->ctx, &ua_ctx->node);
+ lttng_ht_add_ulong(ua_chan->ctx, &ua_ctx->node);
cds_list_add_tail(&ua_ctx->list, &ua_chan->ctx_list);
ret = create_ust_channel_context(ua_chan, ua_ctx, app);
ret = ustctl_tracer_version(app->sock, &app->version);
if (ret < 0) {
if (ret != -LTTNG_UST_ERR_EXITING && ret != -EPIPE) {
- ERR("UST app %d verson failed with ret %d", app->sock, ret);
+ ERR("UST app %d version failed with ret %d", app->sock, ret);
} else {
- DBG3("UST app %d verion failed. Application is dead", app->sock);
+ DBG3("UST app %d version failed. Application is dead", app->sock);
}
}
pthread_mutex_unlock(&ua_sess->lock);
- if (usess->start_trace) {
+ if (usess->active) {
ret = ust_app_start_trace(usess, app);
if (ret < 0) {
goto error;
* Return 0 on success or else a negative value.
*/
int ust_app_snapshot_record(struct ltt_ust_session *usess,
- struct snapshot_output *output, int wait, unsigned int nb_streams)
+ struct snapshot_output *output, int wait, uint64_t max_stream_size)
{
int ret = 0;
unsigned int snapshot_done = 0;
struct lttng_ht_iter iter;
struct ust_app *app;
char pathname[PATH_MAX];
- uint64_t max_stream_size = 0;
assert(usess);
assert(output);
rcu_read_lock();
- /*
- * Compute the maximum size of a single stream if a max size is asked by
- * the caller.
- */
- if (output->max_size > 0 && nb_streams > 0) {
- max_stream_size = output->max_size / nb_streams;
- }
-
switch (usess->buffer_type) {
case LTTNG_BUFFER_PER_UID:
{
/* Add the UST default trace dir to path. */
cds_lfht_for_each_entry(reg->registry->channels->ht, &iter.iter,
reg_chan, node.node) {
-
- /*
- * Make sure the maximum stream size is not lower than the
- * subbuffer size or else it's an error since we won't be able to
- * snapshot anything.
- */
- if (max_stream_size &&
- reg_chan->subbuf_size > max_stream_size) {
- ret = -EINVAL;
- DBG3("UST app snapshot record maximum stream size %" PRIu64
- " is smaller than subbuffer size of %zu",
- max_stream_size, reg_chan->subbuf_size);
- goto error;
- }
- ret = consumer_snapshot_channel(socket, reg_chan->consumer_key, output, 0,
- usess->uid, usess->gid, pathname, wait,
+ ret = consumer_snapshot_channel(socket, reg_chan->consumer_key,
+ output, 0, usess->uid, usess->gid, pathname, wait,
max_stream_size);
if (ret < 0) {
goto error;
}
}
- ret = consumer_snapshot_channel(socket, reg->registry->reg.ust->metadata_key, output,
- 1, usess->uid, usess->gid, pathname, wait,
- max_stream_size);
+ ret = consumer_snapshot_channel(socket,
+ reg->registry->reg.ust->metadata_key, output, 1,
+ usess->uid, usess->gid, pathname, wait, max_stream_size);
if (ret < 0) {
goto error;
}
cds_lfht_for_each_entry(ua_sess->channels->ht, &chan_iter.iter,
ua_chan, node.node) {
- /*
- * Make sure the maximum stream size is not lower than the
- * subbuffer size or else it's an error since we won't be able to
- * snapshot anything.
- */
- if (max_stream_size &&
- ua_chan->attr.subbuf_size > max_stream_size) {
- ret = -EINVAL;
- DBG3("UST app snapshot record maximum stream size %" PRIu64
- " is smaller than subbuffer size of %" PRIu64,
- max_stream_size, ua_chan->attr.subbuf_size);
- goto error;
- }
-
- ret = consumer_snapshot_channel(socket, ua_chan->key, output, 0,
- ua_sess->euid, ua_sess->egid, pathname, wait,
+ ret = consumer_snapshot_channel(socket, ua_chan->key, output,
+ 0, ua_sess->euid, ua_sess->egid, pathname, wait,
max_stream_size);
if (ret < 0) {
goto error;
projects / lttng-tools.git / blobdiff